<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0,
    minimum-scale=1.0,user-scalable=no">
    <title>Zepto</title>
    <link rel="stylesheet" href="./css/common.css">
    <link rel="stylesheet" href="./css/index.css">
    <script src="./js/zepto.js"></script>
    <script src="./js/rem.js"></script>
    <script src="./js/touch-0.2.14.js"></script>
    <style>
        .box {
            width: 2rem;
            height: 2rem;
            background-color: red;
            position: relative;
            /* top:0.1rem;
            left:0.1rem; */
            animation: heartBeat  linear 2s infinite;
        }

        @keyframes heartBeat{
            0%{
                transform: scale(1);
            }
            50%{
                transform: scale(1.2);
            }
            100%{
                transform: scale(1);
            }

        }
    </style>

</head>

<body>
    <div id="app">
        <div class="box"></div>
    </div>
</body>
<script src="./js/index.js"></script>


</html>